the Aviation Dictionary

CAS - calibrated airspeed
CASFO - Civil Aviation
Security Office
CAT - category
CAT - clear air turbulence
CAT 1I - Category I1 approach
CAU - crypto ancillary unit
CAVU - clear, and visibility
unlimited
CAWS - central aural warning
system
CBI - computer based
instruction
CC&O - customer cost and
obligation
CCAS - cockpit crew alerting
system
CCC - communications
command center
CCCC - staff communications
CCCH - central computer
complex host
CCL - convective condensation
level
CCLD - Core Capability
Limited Deployment
CCS-7NI - Communication
Channel Signal-7 Network
Interconnect -
CCSD - command
communications service
designator
CCU - central control unit
CD - common digitizer
CD - controller display
CD - Convergent-Divergent duct
(venturi).
CDI - course deviation indicator
CDP - compressor discharge
pressure
CDR - cost detail report
CDT - controlled departure time
CDTl - cockpit display of traffic
information
CDU - central data unit
CENTX - central telephone
exchange
CEQ - Council on
Environmental Quality
CERAP - central radar approach
CERAP - combined
Center/Rapcon
CFA - controlled firing area
CFC - central flow control
CFCF - central flow control
facility
CFCS - central flow control
service
CFI - certified flight instructor
CFIT - controlled flight into
terrain
CFR - Code of Federal
Regulations
CFR - Code of Federal
Regulations
CFR - Cooperative Fuel
Research
CFWP - central flow weather
processor
CFWU - central flow weather
unit
CG - center of gravity
CGAS - Coast Guard Air Station
CGCC - center of gravity
control computer
CIG - ceiling
CIT - compressor inlet
temperature
CL - coefficient of lift
CLC - course line computer
CLIN - contract line item
CLT - calculated landing time
CM -- commercial service airport
CM - circular mils
CMNPS - Canadian Minimum
Navigation Performance
Specification Airspace
CNS - consolidated NOTAM
system
CNSP - consolidated NOTAM
system processor
Aircraft Technical Book Company
P.O. Box 270
Tabernash, CO 80478
http:llw.ACTechbooks.com
CO - carbon monoxide
CO - central office
COz - carbon dioxide.
COE - U.S. Army Corps of
Engineers
COMCO - command
communications outlet
Consol - kind of low or medium
frequency long range
navigational aid
Consolan - a kind of low or
medium frequency long range
navigational aid
CONUS - Continental United
States
CORP - Private Corporation
other than ARINC or MITRE
CP - center of pressure
CPDLC - Controller Pilot Data
Link Communications
CPE - customer premise
equipment
CPMIS - consolidated personnel
management information system
CPU - central processing unit
CPU - control protection unit
CRA - conflict resolution
advisory
CRDA - converging runway
display aid
CRM - crew resource
management
CRT - cathode ray tube-
CSA - communications service
authorization
CSD - constant-speed drive
CSEU -control system
electronic unit
CSG - slide graphic computer
CSIS - centralized storm
information system
CSO - customer service office
CSR - communications service
request
CSS - central site system
CTA - control area